>From scsih_qcmd, we add checkfor the ioc->remove_host flag, and return DID_NO_CONNECT. Driver should not call shutdown call from _scsih_remove otherwise, The scsi midlayer can be deadlocked when devices are removed from the driver pci_driver->shutdown handler. Signed-off-by: Kashyap Desai <kashyap.desai@xxxxxxx> --- diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c index 30f77dd..55b9632 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c +++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c @@ -3766,7 +3766,7 @@ _scsih_qcmd_lck(struct scsi_cmnd *scmd, void (*done)(struct scsi_cmnd *)) return 0; } - if (ioc->pci_error_recovery) { + if (ioc->pci_error_recovery || ioc->remove_host) { scmd->result = DID_NO_CONNECT << 16; scmd->scsi_done(scmd); return 0; @@ -7314,7 +7314,6 @@ _scsih_remove(struct pci_dev *pdev) } sas_remove_host(shost); - _scsih_shutdown(pdev); list_del(&ioc->list); scsi_remove_host(shost); scsi_host_put(shost); -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html